seventy-first I. \| ̷ ̷ ̷ ̷ ̷ ̷| ̷ ̷\adjective 1.: being number 71 in a countable series < the seventy-first day > — see number table 2.: being one of 71 equal parts into which something is divisible < a seventy-first share of the money > II. noun 1.: number 71 in a countable series 2.: the quotient of a unit divided by 71 : one of 71 equal parts of something < one seventy-first of the total >